Nathalie Sawczuc Awarded the Best “Nano-Dentistry” Post at the Nano Day 2021. Published On November 23, 2021 Social Media Share this article Facebook Twitter LinkedIn The poster entitled “The influence of varying layer shades on the color between Estelite Omega nano filled composite and the Vita shade guide standard shades” was authored by Nathalie Sawczuc, Bryce Brandfon, Dr. Floriani, Dr. Rocha, and mentored by Dr. Oliveira.